EP4010988A4 - Systèmes sans fil à partage spectral - Google Patents

Systèmes sans fil à partage spectral Download PDF

Info

Publication number
EP4010988A4
EP4010988A4 EP20849652.1A EP20849652A EP4010988A4 EP 4010988 A4 EP4010988 A4 EP 4010988A4 EP 20849652 A EP20849652 A EP 20849652A EP 4010988 A4 EP4010988 A4 EP 4010988A4
Authority
EP
European Patent Office
Prior art keywords
wireless systems
spectrum sharing
sharing
spectrum
wireless
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20849652.1A
Other languages
German (de)
English (en)
Other versions
EP4010988A1 (fr
Inventor
Shlomo Selim Rakib
Shachar Kons
Ronny Hadani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cohere Technologies Inc
Original Assignee
Cohere Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cohere Technologies Inc filed Critical Cohere Technologies Inc
Publication of EP4010988A1 publication Critical patent/EP4010988A1/fr
Publication of EP4010988A4 publication Critical patent/EP4010988A4/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/10—Polarisation diversity; Directional diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/021—Estimation of channel covariance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/497—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
    • H04L25/4975—Correlative coding using Tomlinson precoding, Harashima precoding, Trellis precoding or GPRS

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
EP20849652.1A 2019-08-05 2020-08-05 Systèmes sans fil à partage spectral Pending EP4010988A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962882864P 2019-08-05 2019-08-05
PCT/US2020/044970 WO2021026212A1 (fr) 2019-08-05 2020-08-05 Systèmes sans fil à partage spectral

Publications (2)

Publication Number Publication Date
EP4010988A1 EP4010988A1 (fr) 2022-06-15
EP4010988A4 true EP4010988A4 (fr) 2022-12-21

Family

ID=74504140

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20849652.1A Pending EP4010988A4 (fr) 2019-08-05 2020-08-05 Systèmes sans fil à partage spectral

Country Status (4)

Country Link
US (2) US12289148B2 (fr)
EP (1) EP4010988A4 (fr)
AU (2) AU2020324428B2 (fr)
WO (1) WO2021026212A1 (fr)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9071286B2 (en) 2011-05-26 2015-06-30 Cohere Technologies, Inc. Modulation and equalization in an orthonormal time-frequency shifting communications system
US10667148B1 (en) 2010-05-28 2020-05-26 Cohere Technologies, Inc. Methods of operating and implementing wireless communications systems
US11943089B2 (en) 2010-05-28 2024-03-26 Cohere Technologies, Inc. Modulation and equalization in an orthonormal time-shifting communications system
WO2017044501A1 (fr) 2015-09-07 2017-03-16 Cohere Technologies Accès multiple par modulation orthogonale d'espace temps-fréquence
CN108781160B (zh) 2015-11-18 2022-04-29 凝聚技术公司 正交时间频率空间调制技术
EP4262162A3 (fr) 2016-03-31 2024-01-10 Cohere Technologies, Inc. Acquisition de canal utilisant un signal pilote orthogonal modulé dans l'espace temps-fréquence
EP3437197B1 (fr) 2016-04-01 2022-03-09 Cohere Technologies, Inc. Précodage de tomlinson-harashima dans un système de communication otfs
WO2018106731A1 (fr) 2016-12-05 2018-06-14 Cohere Technologies Accès sans fil fixe au moyen d'une modulation orthogonale d'espace temps-fréquence
WO2018195548A1 (fr) 2017-04-21 2018-10-25 Cohere Technologies Techniques de communication utilisant des propriétés quasi-statiques de canaux sans fil
WO2018200567A1 (fr) 2017-04-24 2018-11-01 Cohere Technologies Conceptions et fonctionnement d'antenne multifaisceau
US11324008B2 (en) 2017-08-14 2022-05-03 Cohere Technologies, Inc. Transmission resource allocation by splitting physical resource blocks
WO2019051093A1 (fr) 2017-09-06 2019-03-14 Cohere Technologies Réduction de treillis en modulation temporelle, fréquentielle et spatiale orthogonale
EP3682607A4 (fr) 2017-09-15 2021-09-01 Cohere Technologies, Inc. Réalisation d'une synchronisation dans un récepteur de signal d'espace temps-fréquence orthogonal
WO2019068053A1 (fr) 2017-09-29 2019-04-04 Cohere Technologies, Inc. Correction d'erreurs sans circuit de retour à l'aide de codes de contrôle de parité à faible densité non binaire
WO2019113046A1 (fr) 2017-12-04 2019-06-13 Cohere Technologies, Inc. Mise en oeuvre d'une modulation temporelle, fréquentielle et spatiale orthogonale pour des communications sans fil
US11202262B2 (en) * 2017-12-30 2021-12-14 Dugan Patents, Llc Methods and apparatus for reducing mobile telephone power consumption and/or radiation exposure
US11489559B2 (en) 2018-03-08 2022-11-01 Cohere Technologies, Inc. Scheduling multi-user MIMO transmissions in fixed wireless access systems
US11329848B2 (en) 2018-06-13 2022-05-10 Cohere Technologies, Inc. Reciprocal calibration for channel estimation based on second-order statistics
AU2020286350B2 (en) * 2019-06-07 2025-05-15 MTFComm Inc. A novel communication system of high capacity
US11962373B2 (en) * 2019-09-26 2024-04-16 Cohere Technologies, Inc. Multi-layer multi-beam communication systems
CN115699841B (zh) * 2020-06-15 2026-02-03 凝聚技术公司 频谱共享无线系统
CN116261870B (zh) * 2020-10-02 2025-04-25 瑞典爱立信有限公司 用于评估连接质量的技术
EP4331193A4 (fr) 2021-04-29 2024-10-30 Cohere Technologies, Inc. Signaux à ultralarge bande utilisant une modulation orthogonale temps-fréquence-espace
FR3123170B1 (fr) * 2021-05-20 2023-04-14 Commissariat Energie Atomique Compensation de dérives fréquentielles dans un réseau multi-antennaires distribué
EP4092920A3 (fr) 2021-05-20 2023-04-05 Nokia Technologies Oy Programmation de dispositif utilisateur
EP4422083A4 (fr) * 2021-10-22 2025-10-08 Univ Dankook Iacf Appareil et procédé pour une transmission de données dans un système à antennes multiples
US12155593B2 (en) * 2021-11-16 2024-11-26 Qualcomm Incorporated Demodulation reference signal precoding in high-doppler scenarios
US12489500B2 (en) * 2022-03-17 2025-12-02 Qualcomm Incorporated In-network distributed processing for precoding and linear detection
US12284058B2 (en) * 2022-06-16 2025-04-22 Samsung Electronics Co., Ltd. Self-tuning fixed-point least-squares solver
KR20240008702A (ko) * 2022-07-12 2024-01-19 삼성전자주식회사 무선 통신 시스템에서 프리코딩된 pucch 신호 전송 방법 및 장치
CN121816725A (zh) * 2023-09-19 2026-04-07 高通股份有限公司 用于预均衡的信道估计参考信号
WO2025155790A1 (fr) * 2024-01-19 2025-07-24 Matsing, Inc. Balayage de zone séquentielle rapide présentant une interférence de faisceau réduite
US20250266910A1 (en) * 2024-02-20 2025-08-21 GM Global Technology Operations LLC Method of channel sounding antenna calibration
WO2025198262A1 (fr) * 2024-03-18 2025-09-25 한국전자통신연구원 Appareil de transmission de signal de diffusion utilisant de multiples antennes de transmission et multiplexage par répartition en couches, procédé l'utilisant
WO2025198263A1 (fr) * 2024-03-18 2025-09-25 한국전자통신연구원 Dispositif de transmission de signal de diffusion utilisant de multiples antennes de transmission et le multiplexage par répartition en couches, et procédé l'utilisant
CN120892846B (zh) * 2025-09-28 2026-02-27 中国船舶集团有限公司第七一五研究所 一种基于Single-link层次聚类的多目标线谱特征分辨方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1087545A1 (fr) * 1999-09-24 2001-03-28 National University Of Singapore Procedé de formation de faisceau de liaison descendante
US20160088648A1 (en) * 2014-09-24 2016-03-24 Intel Corporation Scheduling in a multiple user multiple-input and multiple output communications network

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8363603B2 (en) * 2005-06-16 2013-01-29 Qualcomm Incorporated User separation in space division multiple access for a multi-carrier communication system
US8644288B2 (en) 2008-07-31 2014-02-04 Motorola Mobility Llc Uplink spatial division multiple access (SDMA) user pairing and scheduling
GB0913367D0 (en) * 2009-07-31 2009-09-16 Omnisense Ltd Positioning systems
JP5899043B2 (ja) * 2012-05-07 2016-04-06 株式会社Ｎｔｔドコモ コードブック適合方法、無線基地局装置及びユーザ装置
WO2014039616A1 (fr) * 2012-09-06 2014-03-13 Marvell World Trade Ltd. Recherche efficace de précodeurs dans des systèmes mimo précodés
US9474010B2 (en) * 2013-08-22 2016-10-18 Telefonaktiebolaget Lm Ericsson (Publ) Positioning in a shared cell
WO2015115706A1 (fr) * 2014-01-28 2015-08-06 Lg Electronics Inc. Procédé de transmission de signal de référence d'après une mise à l'échelle d'antenne adaptative dans un système de communications sans fil, et appareil correspondant
CN107735958B (zh) * 2015-07-03 2021-10-15 瑞典爱立信有限公司 无线设备、无线电网络节点及其中执行的方法
EP3850758A1 (fr) * 2018-09-10 2021-07-21 Telefonaktiebolaget LM Ericsson (publ) Mise en forme adaptative de cellules dans des communications pleine dimension à entrées multiples et sorties multiples basées sur un livre de codes
CN111416645B (zh) * 2019-01-08 2021-11-30 华为技术有限公司 预编码矩阵指示方法及相关设备
CN111756415B (zh) * 2019-03-29 2021-10-26 华为技术有限公司 通信方法及装置
CN113660013A (zh) * 2019-06-06 2021-11-16 华为技术有限公司 一种信道测量方法和通信装置
EP4040699A4 (fr) * 2019-10-31 2022-10-19 Huawei Technologies Co., Ltd. Procédé de configuration de port d'émission de signal de référence de liaison latérale et appareil de communication

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1087545A1 (fr) * 1999-09-24 2001-03-28 National University Of Singapore Procedé de formation de faisceau de liaison descendante
US20160088648A1 (en) * 2014-09-24 2016-03-24 Intel Corporation Scheduling in a multiple user multiple-input and multiple output communications network

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021026212A1 *

Also Published As

Publication number Publication date
WO2021026212A1 (fr) 2021-02-11
EP4010988A1 (fr) 2022-06-15
AU2020324428A1 (en) 2021-04-08
US12289148B2 (en) 2025-04-29
AU2026200761A1 (en) 2026-02-26
AU2020324428B2 (en) 2025-11-13
US20250150130A1 (en) 2025-05-08
US20220311489A1 (en) 2022-09-29

Similar Documents

Publication Publication Date Title
EP3577997C0 (fr) Techniques d'émissions en liaison montante autonome utilisant un spectre partagé de radiofréquences
EP3857642C0 (fr) Antenne à plaque multicouche
EP3949241C0 (fr) Communications par technologie d'accès radio multiples
HUE059121T2 (hu) Vezeték nélküli energiaátviteli rendszer
EP4181605C0 (fr) Communication sans fil
EP3694301A4 (fr) Dispositif de charge sans fil
EP3579585A4 (fr) Système d'appel utilisant une technologie de communication sans fil à courte portée
IL285791A (en) Intent-driven contact center
EP4165891A4 (fr) Systèmes sans fil à partage spectral
EP3586548A4 (fr) Principe de transmission pour systèmes de communication sans fil
EP4079024A4 (fr) Communications sans fil à formation de faisceau
EP3618190A4 (fr) Antenne
EP4045012A4 (fr) Systèmes multi-livrables auto-microémulsifiants
EP3805780C0 (fr) Positionnement sans fil
EP3886256C0 (fr) Structure d'antenne multibande
EP3968460A4 (fr) Antenne
EP3588885A4 (fr) Système de communication sans fil
EP3703185A4 (fr) Antenne
EP3806240A4 (fr) Antenne
JP1634112S (ja) 車両用アンテナ
EP3900110C0 (fr) Système d'antennes
EP3859890C0 (fr) Antenne hélicoidale
EP3764469A4 (fr) Antenne
EP3583096C0 (fr) Antibiotiques macrocycliques à large spectre
EP3907823A4 (fr) Antenne

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20220224

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

RIC1 Information provided on ipc code assigned before grant

Ipc: H04B 7/0452 20170101ALI20220811BHEP

Ipc: H04L 25/02 20060101ALI20220811BHEP

Ipc: H04B 7/06 20060101ALI20220811BHEP

Ipc: H04B 7/02 20180101AFI20220811BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20221118

RIC1 Information provided on ipc code assigned before grant

Ipc: H04B 7/0452 20170101ALI20221114BHEP

Ipc: H04L 25/02 20060101ALI20221114BHEP

Ipc: H04B 7/06 20060101ALI20221114BHEP

Ipc: H04B 7/02 20180101AFI20221114BHEP

RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: COHERE TECHNOLOGIES, INC.

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20250226